First brown your butter. Then, add in light brown sugar, coconut sugar, and apple cider to the mixing bowl Whisk together.
Next, add in eggs and vanilla extract. Then, beat again.
Add in all the dry ingredients (all purpose flour, apple pie spice, sea salt, and baking powder) into the bowl before combining with the wet ingredients.
Slice apples into thin strips. Then line an 8x8 dish with parchment paper. After adding in batter to the pan, add sliced apples on top.
Bake at 350 degrees F for 27-30 minutes. Let cool and enjoy!